No problem and thanks for your help troubleshooting. The bug report on GNOME Bugzilla is here: https://bugzilla.gnome.org/show_bug.cgi?id=793834
** Bug watch added: GNOME Bug Tracker #793834 https://bugzilla.gnome.org/show_bug.cgi?id=793834 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1751578 Title: Totem no longer plays MP4s, despite correct plugins installed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/totem/+bug/1751578/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs